vice president joseph biden was in south korea as the last stop of his tour of asian. he offered to fly newman back on air force 2. but instead he's back in a commercial flight on it way to san francisco that is expected to land sometime tomorrow. amber lee, ktvu channel 2 news. >>> new visit corrode here just into our newsroom of a hidden run in oakland. it happened around 6:30 tonight right near interstate 880. a witness told ktvu that a car hit a pedestrian and kept ongoing. our pe -- >>> a plan to fix oakland's public safety radio system could cost the city tens of millions of dollars. a city commission recommends oakland replace all 2,700 police radios as soon as possible. and that could cost between 15 and $20 million. oakland officials have been working for months to repair the system. many describe as unreliable. a malfunction even happened during president obama's visit to oakland last year. >>> the latest numbers released today show the job situation in this country is showing signs of steady improvement. november's unemployment rate dropped to 7% from 7.3%.